TABLE OF CONTENTS Subject Page OUTPUTS Water Valves .2 Auxiliary Coolant Pump.4 Blower Speed Signal .6 Stepper Motor Control .8 Compressor Control.10 Auxiliary Fan Control.12 Rear Window Defroster .14 Windshield Base / Washer Spray Jet Heaters .16 Parked Car Ventilation .18 IHKA/ ECM Interfaoes 20 WATER VALVES Temperature regulation on IHKA systems is aoeomplished by solenoid aotuated water valve(s). The valve(s) are normally held open by spring pressure (failsafe), and are eleotrioal- ly olosed by pulses from the IHKA oontrol module to regulate the flow of hot ooolant to the heater eore(s). The water valve(s) are pulsed aooording to the Y-faotor, whioh is oaloulated from the fol¬ lowing inputs: • Desired temperature request (left and right if equipped) • Interior temperature • Heater oore temperature(s) • Ambient air temperature • Blower speed request When the desired tem¬ perature sails for maxi¬ mum heat, the water valve(s) do not reoeive pulses and are meohan- ioally sprung open. Similarly, when maxi¬ mum oooling is request¬ ed, the IHKA oontrol module powers the water valve(s) oomplete- ly olosed. 2 NAME OF SIGNAL OR FUNCTION:_ Vehicle:_M.Y.:_ System:_DIS CD Version:_ What type of output signal provides current to activate this circuit? □switched Power □ Switched Ground □ Pulse Width Modulated (PWM) □ Linear Voltage □ Linear Resistance □ Digital Source: _ How will the control system react if this signal becomes impaired or lost ? Substitute Value? □ Yes □ No if yes what is it?_ Was a fault code(s) present with this defective signal/component? □ Yes □ No If yes what is (are) the specific code(s)?_ Does the DIS software provide a Status Display for this signal? □ Yes □ No If “yes”, what is it?_ Is “component activation” possible with this signal/function? □ Yes □ No If yes what does it do?_ Does this help you with diagnosis? □ Yes □ No Why?_ Pin Numbers: What is the control module pin number for the signal?_ Is there an associated ground wire? □ Yes □ No If “yes”, pin number?_ Are there any other signals/systems sharing the wire to consider? □ Yes □ No If “yes” are there faults present in that system as well? □ Yes □ No What is (are) the most suitable measurement(s) for this signal/component? □ Voltage □ Resistance □ Capacitance □ Inductance □ Temperature □ Current □ Pressure □ Scope Signal Range?:_Nominal Value?:_ Notes: 3 AUXILIARY COOLANT PUMP All models except E36/46 use an electrically powered auxiliary coolant pump to ensure that an adequate supply of hot coolant Is always available to the heater core(s). The IHKA con¬ trol module operates the pump directly (E31 uses a relay) by supplying the ground circuit. Pump “ON” operating criteria (E38 shown as an example): • Engine coolant temperature > 32°F (supplied via K-Bus on E38/39/46) • Y-factor > 5% • Maximum defrost mode selected • Maximum heating requested • “REST” function requested Pump “OFF” when: t • Engine coolant tern- i perature < 32°F and either Y-Factor < 0%, unless other Inputs call for pump operation AurlLiry EJ LbR m-va Z| N^l vMn- 4 NAME OF SIGNAL OR FUNCTION:_ Vehicle:_M.Y.:_ System:_DIS CD Version:_ What type of output signal provides current to activate this circuit? □switched Power □ Switched Ground □ Pulse Width Modulated (PWM) □ Linear Voltage □ Linear Resistance □ Digital Source: _ How will the control system react if this signal becomes impaired or lost ? Substitute Value? □ Yes □ No if yes what is it?_ Was a fault code(s) present with this defective signal/component? □ Yes □ No If yes what is (are) the specific code(s)?_ Does the DIS software provide a Status Display for this signal? □ Yes □ No If “yes”, what is it?_ Is “component activation” possible with this signal/function? □ Yes □ No If yes what does it do?_ Does this help you with diagnosis? □ Yes □ No Why?_ Pin Numbers: What is the control module pin number for the signal?_ Is there an associated ground wire? □ Yes □ No If “yes”, pin number?_ Are there any other signals/systems sharing the wire to consider? □ Yes □ No If “yes” are there faults present in that system as well? □ Yes □ No What is (are) the most suitable measurement(s) for this signal/component? □ Voltage □ Resistance □ Capacitance □ Inductance □ Temperature □ Current □ Pressure □ Scope Signal Range?:_Nominal Value?:_ Notes: 5 BLOWER SPEED SIGNAL The blower speed is controlled by the IHKA control module regulating (varying) the ground circuit through the use of transistors (final stage unit). The IHKA control module determines the appropriate blower speed using these primary inputs: • Blower control thumbwheel/rocker switch inputs • The “Y-factor” In the case of the E38 (shown), each of the blower speed requests are monitored by the IHKA control module. The control module always runs the blower at the higher selected speed to ensure adequate air flow through the interior. The outlet flap opening will be reduced on the side requesting less blower speed. NOTE: Some models do not use a blower relay. 6 NAME OF SIGNAL OR FUNCTION:_ Vehicle:_M.Y.:_ System:_DIS CD Version:_ What type of output signal provides current to activate this circuit? □switched Power □ Switched Ground □ Pulse Width Modulated (PWM) □ Linear Voltage □ Linear Resistance □ Digital Source: _ How will the control system react if this signal becomes impaired or lost ? Substitute Value? □ Yes □ No if yes what is it?_ Was a fault code(s) present with this defective signal/component? □ Yes □ No If yes what is (are) the specific code(s)?_ Does the DIS software provide a Status Display for this signal? □ Yes □ No If “yes”, what is it?_ Is “component activation” possible with this signal/function? □ Yes □ No If yes what does it do?_ Does this help you with diagnosis? □ Yes □ No Why?_ Pin Numbers: What is the control module pin number for the signal?_ Is there an associated ground wire? □ Yes □ No If “yes”, pin number?_ Are there any other signals/systems sharing the wire to consider? □ Yes □ No If “yes” are there faults present in that system as well? □ Yes □ No What is (are) the most suitable measurement(s) for this signal/component? □ Voltage □ Resistance □ Capacitance □ Inductance □ Temperature □ Current □ Pressure □ Scope Signal Range?:_Nominal Value?:_ Notes: 7 STEPPER MOTOR CONTROL stepper motors are installed in the system to provide infinitely variable operation of the air outlet flaps for automatio olimate oontrol. M-Bus (3 wire flat harness) oontrolled motors are used to operate all flaps, with the exoeption on some models of a dedioated fresh air motor and oirouit. Eaoh of these motors features its own eleotronio oirouitry and is eleotrioally ooded, indioat- ing that installation is unique to a speoifio flap. These type of stepper motors reoeive power and ground on two of the terminals, and ooded operating instruotions on the third. The instruotions are digital signals (500 Hz) that oontrol opening or olosing of the flaps. The mioroprooessor inside the stepper motor reoeives the instruotions and oonverts them into pulses to operate the permanent magnet NAME OF SIGNAL OR FUNCTION:_ Vehicle:_M.Y.:_ System:_DIS CD Version:_ What type of output signal provides current to activate this circuit? □switched Power □ Switched Ground □ Pulse Width Modulated (PWM) □ Linear Voltage □ Linear Resistance □ Digital Source: _ How will the control system react if this signal becomes impaired or lost ? Substitute Value? □ Yes □ No if yes what is it?_ Was a fault code(s) present with this defective signal/component? □ Yes □ No If yes what is (are) the specific code(s)?_ Does the DIS software provide a Status Display for this signal? □ Yes □ No If “yes”, what is it?_ Is “component activation” possible with this signal/function? □ Yes □ No If yes what does it do?_ Does this help you with diagnosis? □ Yes □ No Why?_ Pin Numbers: What is the control module pin number for the signal?_ Is there an associated ground wire? □ Yes □ No If “yes”, pin number?_ Are there any other signals/systems sharing the wire to consider? □ Yes □ No If “yes” are there faults present in that system as well? □ Yes □ No What is (are) the most suitable measurement(s) for this signal/component? □ Voltage □ Resistance □ Capacitance □ Inductance □ Temperature □ Current □ Pressure □ Scope Signal Range?:_Nominal Value?:_ Notes: 9 COMPRESSOR CONTROL Using the E38 (99 MY) for this test, activation of the compressor clutch is an output con¬ trol function of the IHKA module. Activation is carried out directly through a final stage (no relay required). If the evaporator temperature is above 37°F (3°C), and the refrigerant pressure sensor indi¬ cates acceptable pressure, the control panel/module then signals the ECM that it is about to activate the compressor. The IHKA module will then activate the compressor if a can¬ cellation signal is not received from the ECM. Additional criteria: • If the “snowflake” button is on at engine start-up, the control module delays compres¬ sor clutch activation until the engine speed exceeds 600 RPM for at least 5 seconds. • If the “snowflake” is switched off while the engine is running, the control module contin¬ ues to cycle the compressor (with increasingly longer off times) for up to 15 minutes. Compressor deactivation: • ECM detects full load - signalling IHKA • Evaporator temperature < 2°C • Coolant temperature > 120°C • Refrigerant pressure sensor indicates pressure is too low/high 10 NAME OF SIGNAL OR FUNCTION:_ Vehicle:_M.Y.:_ System:_DIS CD Version:_ What type of output signal provides current to activate this circuit? □switched Power □ Switched Ground □ Pulse Width Modulated (PWM) □ Linear Voltage □ Linear Resistance □ Digital Source: _ How will the control system react if this signal becomes impaired or lost ? Substitute Value? □ Yes □ No if yes what is it?_ Was a fault code(s) present with this defective signal/component? □ Yes □ No If yes what is (are) the specific code(s)?_ Does the DIS software provide a Status Display for this signal? □ Yes □ No If “yes”, what is it?_ Is “component activation” possible with this signal/function? □ Yes □ No If yes what does it do?_ Does this help you with diagnosis? □ Yes □ No Why?_ Pin Numbers: What is the control module pin number for the signal?_ Is there an associated ground wire? □ Yes □ No If “yes”, pin number?_ Are there any other signals/systems sharing the wire to consider? □ Yes □ No If “yes” are there faults present in that system as well? □ Yes □ No What is (are) the most suitable measurement(s) for this signal/component? □ Voltage □ Resistance □ Capacitance □ Inductance □ Temperature □ Current □ Pressure □ Scope Signal Range?:_Nominal Value?:_ Notes: 11 AUXILIARY FAN CONTROL Using a 99 MY vehicle (E38/39/46) for this test, the variable auxiliary fan is controlled by the ECM. The auxiliary fan request comes from the IHKA control module via the K-Bus. The fan speed request is based on the refrigerant pressure sensor input to the IHKA. Additional fac¬ tors monitored by the ECM that influence fan operation are: • Radiator outlet temperature sensor (exceeds the preset temperature) • Vehicle speed • Battery voltage level The auxiliary fan motor incorporates an output final stage that activates the fan motor at variable speeds. The output stage receives an output signal (pulse width modulated 10-100 Hz) from the ECM which activates the motor. 12 NAME OF SIGNAL OR FUNCTION:_ Vehicle:_M.Y.:_ System:_DIS CD Version:_ What type of output signal provides current to activate this circuit? □switched Power □ Switched Ground □ Pulse Width Modulated (PWM) □ Linear Voltage □ Linear Resistance □ Digital Source: _ How will the control system react if this signal becomes impaired or lost ? Substitute Value? □ Yes □ No if yes what is it?_ Was a fault code(s) present with this defective signal/component? □ Yes □ No If yes what is (are) the specific code(s)?_ Does the DIS software provide a Status Display for this signal? □ Yes □ No If “yes”, what is it?_ Is “component activation” possible with this signal/function? □ Yes □ No If yes what does it do?_ Does this help you with diagnosis? □ Yes □ No Why?_ Pin Numbers: What is the control module pin number for the signal?_ Is there an associated ground wire? □ Yes □ No If “yes”, pin number?_ Are there any other signals/systems sharing the wire to consider? □ Yes □ No If “yes” are there faults present in that system as well? □ Yes □ No What is (are) the most suitable measurement(s) for this signal/component? □ Voltage □ Resistance □ Capacitance □ Inductance □ Temperature □ Current □ Pressure □ Scope Signal Range?:_Nominal Value?:_ Notes: 13 REAR WINDOW DEFROSTER Using the E38 as an example for this test, the rear window defroster operating strategy depends upon ambient temperature. • If ambient temperature is < 5°F (-15°C), pressing the rear window defroster but ton (ignition switoh in “Run”), requests the oontrol module to aotivate the defroster for 17 minutes, and then switoh it off. • If the ambient temperature is > 5°F (-15°C), the oontrol module aoitvates the defroster for only 10 minutes before switohing it off. • Reaotivating the defroster by pressing the button again will give an additional 5 minutes of defrosting, regardless of ambient temperature. • If the ignition is switohed “OFF” during defroster operation, the timer keeps operating and the defroster is deaotivated. If the igni¬ tion is switohed “ON” again with time remain¬ ing, the defroster is automatioally reaotivat- ed until the timer runs out. • If the battery voltage drops bellow 11.4 volts, the defroster automatioally switohed “OFF”, and will resume operation when the voltage rises above 12.2 volts. 14 NAME OF SIGNAL OR FUNCTION:_ Vehicle:_M.Y.:_ System:_DIS CD Version:_ What type of output signal provides current to activate this circuit? □switched Power □ Switched Ground □ Pulse Width Modulated (PWM) □ Linear Voltage □ Linear Resistance □ Digital Source: _ How will the control system react if this signal becomes impaired or lost ? Substitute Value? □ Yes □ No if yes what is it?_ Was a fault code(s) present with this defective signal/component? □ Yes □ No If yes what is (are) the specific code(s)?_ Does the DIS software provide a Status Display for this signal? □ Yes □ No If “yes”, what is it?_ Is “component activation” possible with this signal/function? □ Yes □ No If yes what does it do?_ Does this help you with diagnosis? □ Yes □ No Why?_ Pin Numbers: What is the control module pin number for the signal?_ Is there an associated ground wire? □ Yes □ No If “yes”, pin number?_ Are there any other signals/systems sharing the wire to consider? □ Yes □ No If “yes” are there faults present in that system as well? □ Yes □ No What is (are) the most suitable measurement(s) for this signal/component? □ Voltage □ Resistance □ Capacitance □ Inductance □ Temperature □ Current □ Pressure □ Scope Signal Range?:_Nominal Value?:_ Notes: 15 WINDSHIELD BASE/ WASHER SPRAY JET HEATERS Using the E38 as an example for this test, this circuit demonstrates that both heater sys¬ tems are powered by the same relay. • The lower portion of the windshield contains heating elements which when powered, prevent the wiper blades from freezing to the glass. • The washer spray jet heaters are designed to prevent ice from forming on and obstruct¬ ing the washer nozzles. The control module monitors the signal from the ambient temperature sensor (K-Bus) and automatically activates the relay in this circuit when r'"“ • Ambient temperature is < 38°F (3°C), and iS • The ignition is “ON” and • Battery voltage is > 12.2 volts If the ambient temperature exceeds 43°F (6°C), the windshield base/washer spray jet heaters are switched off. NAME OF SIGNAL OR FUNCTION:_ Vehicle:_M.Y.:_ System:_DIS CD Version:_ What type of output signal provides current to activate this circuit? □switched Power □ Switched Ground □ Pulse Width Modulated (PWM) □ Linear Voltage □ Linear Resistance □ Digital Source: _ How will the control system react if this signal becomes impaired or lost ? Substitute Value? □ Yes □ No if yes what is it?_ Was a fault code(s) present with this defective signal/component? □ Yes □ No If yes what is (are) the specific code(s)?_ Does the DIS software provide a Status Display for this signal? □ Yes □ No If “yes”, what is it?_ Is “component activation” possible with this signal/function? □ Yes □ No If yes what does it do?_ Does this help you with diagnosis? □ Yes □ No Why?_ Pin Numbers: What is the control module pin number for the signal?_ Is there an associated ground wire? □ Yes □ No If “yes”, pin number?_ Are there any other signals/systems sharing the wire to consider? □ Yes □ No If “yes” are there faults present in that system as well? □ Yes □ No What is (are) the most suitable measurement(s) for this signal/component? □ Voltage □ Resistance □ Capacitance □ Inductance □ Temperature □ Current □ Pressure □ Scope Signal Range?:_Nominal Value?:_ Notes: 17 PARKED CAR VENTILATION Parked car ventilation (if equipped), operates at pre-programmed times, the IHKA control module: • Opens the fresh air flaps, faoe vent flaps, and • Closes all other flaps, and • Operates the blower motor at low speed for one-half hour Using the E38 as an example: • All switohing is oontrolled direotly by the IHKA oontrol panel • Desired ventilation “ON” times are programmed into the IKE On-Board Computer (BO) using the Multi-Information Display (MID) • The BO in the IKE then oommunioates with the IHKA module over the l-Bus and the K- Bus 18 NAME OF SIGNAL OR FUNCTION:_ Vehicle:_M.Y.:_ System:_DIS CD Version:_ What type of output signal provides current to activate this circuit? □switched Power □ Switched Ground □ Pulse Width Modulated (PWM) □ Linear Voltage □ Linear Resistance □ Digital Source: _ How will the control system react if this signal becomes impaired or lost ? Substitute Value? □ Yes □ No if yes what is it?_ Was a fault code(s) present with this defective signal/component? □ Yes □ No If yes what is (are) the specific code(s)?_ Does the DIS software provide a Status Display for this signal? □ Yes □ No If “yes”, what is it?_ Is “component activation” possible with this signal/function? □ Yes □ No If yes what does it do?_ Does this help you with diagnosis? □ Yes □ No Why?_ Pin Numbers: What is the control module pin number for the signal?_ Is there an associated ground wire? □ Yes □ No If “yes”, pin number?_ Are there any other signals/systems sharing the wire to consider? □ Yes □ No If “yes” are there faults present in that system as well? □ Yes □ No What is (are) the most suitable measurement(s) for this signal/component? □ Voltage □ Resistance □ Capacitance □ Inductance □ Temperature □ Current □ Pressure □ Scope Signal Range?:_Nominal Value?:_ Notes: 19 IHKA/ECM INTERFACES The IHKA signals the ECM when A/C is requested (KO signal), this alerts the ECM to sta¬ bilize idle speed (EML on 750iL) and oompensate for the additional load. This signal is Pulse Width Modulated (5 Hz), whioh informs the ECM of the “get ready” request and the antioi- pated oompressor load. On the 99 MY (E38/39/46), the A/C on signal is transmitted via the K-Bus/CAN-Bus. On E38/39 models, the ECM sends a reply (KOREL) signal to the IHKA oontrol module. If input oonditions are oorreot, the IHKA will aotivate the A/C oompressor. In addition this sep¬ arate signal oirouit is used to signal the IHKA to deaotivate the oompressor in the event that stand still full load oonditions are present. On E46/36 models, the A/C oompressor relay is aotivated by the ECM. IHKA CONTROL PANEL /MODULE 72.0'F 68.0'F ■■■111 □ □ i ¥)0 ENGINE CONTROL MODULE A/C SYSTEM STATUS (Signal KO) SWITCHED GROUND SIGNAL FROM DME FOR COMPRESSOR ON/OFF CYCLING (Signal KOREL) COMPRESSOR ON POWER COMPRESSOR CLUTCH SOLENOID 20 NAME OF SIGNAL OR FUNCTION:_ Vehicle:_M.Y.:_ System:_DIS CD Version:_ What type of output signal provides current to activate this circuit? □switched Power □ Switched Ground □ Pulse Width Modulated (PWM) □ Linear Voltage □ Linear Resistance □ Digital Source: _ How will the control system react if this signal becomes impaired or lost ? Substitute Value? □ Yes □ No if yes what is it?_ Was a fault code(s) present with this defective signal/component? □ Yes □ No If yes what is (are) the specific code(s)?_ Does the DIS software provide a Status Display for this signal? □ Yes □ No If “yes”, what is it?_ Is “component activation” possible with this signal/function? □ Yes □ No If yes what does it do?_ Does this help you with diagnosis? □ Yes □ No Why?_ Pin Numbers: What is the control module pin number for the signal?_ Is there an associated ground wire? □ Yes □ No If “yes”, pin number?_ Are there any other signals/systems sharing the wire to consider? □ Yes □ No If “yes” are there faults present in that system as well? □ Yes □ No What is (are) the most suitable measurement(s) for this signal/component? □ Voltage □ Resistance □ Capacitance □ Inductance □ Temperature □ Current □ Pressure □ Scope Signal Range?:_Nominal Value?:_ Notes: 21 MEASUREMENT SYSTEM WORKSHEET: While connecting and setting up the DIS/MoDiC measurement system for signal/circuit val¬ idation, note the settings in the appropriate looations for future referenoe. Dooument your findings by entering the displayed values in the Multimeter or Counter Display. If the signal requires the use of the osoillosoope, note your set up seleotions and sketoh the waveform. ^hang^^J BMW Test system Multimeter I [capacitance I [inductance I iTemperature I h bill" a|ll° " I J ^ensoi^^^J 1"^ □ m I I Counter I | Oscilloscope I | Stimulation I | Preset I I_I I setting | | devices | JmeasurmentsI ^hang^^J BMW Test system Oscilloscope setting id _I I MFK 2 _I I KV-Senaor I | UFK □III nil -^-dI ^ Test connectioi I— □! Kvy □! EDH EDS 1 111-"' al ^ dI jChannalA 1 1 □! 1 Channel B 1 □1 1 Trigger _ 1 Clip D 1 IrO-sIgnalDl □! |Myltimeler | 1 Counter | 1 Oscilloscope 1 1 Stimulation 1 1 devices | J ^^hang^^J ^eivice^^J BMW Test system Counter I' |l‘".tL nlTltni.. □! |t"a‘,'‘"*D I 1 MFC 1 i □ 1 [MFC 2 ■ U aJ m F^Jl □! i | Counter I | Oscilloscope I I Stimulation I I Preset I I_I I setting | j deviees | jmeasurmentsl J ^^hang^^J BMW Measuring system Oscilloscope display A IV] N y 8 6 4 2 0 -2 -4 -6 -8 w H! m e n I I Counter I | Oscilloscope I | Stimulation I | Preset I 1_I I sef.iiHj [ I devices | | measurments| T-BSgSSt! SUPPLEMENTAL ETM SCHEMATIC WORKSHEET: Using your gained understanding of the signal and with the help of your instruotor, supple¬ ment your ETM referenoe by sketohing the oirouit. Add the internal symbols (pin numbers, signal power supply, ground, final stage looations and signal monitor). MEASUREMENT SYSTEM WORKSHEET: While connecting and setting up the DIS/MoDiC measurement system for signal/circuit val¬ idation, note the settings in the appropriate looations for future referenoe. Dooument your findings by entering the displayed values in the Multimeter or Counter Display. If the signal requires the use of the osoillosoope, note your set up seleotions and sketoh the waveform. ^hang^^J BMW Test system Multimeter I [capacitance I [inductance I iTemperature I h bill" a|ll° " I J ^ensoi^^^J 1"^ □ m I I Counter I | Oscilloscope I | Stimulation I | Preset I I_I I setting | | devices | JmeasurmentsI ^hang^^J BMW Test system Oscilloscope setting id _I I MFK 2 _I I KV-Senaor I | UFK □III nil -^-dI ^ Test connectioi I— □! Kvy □! EDH EDS 1 111-"' al ^ dI jChannalA 1 1 □! 1 Channel B 1 □1 1 Trigger _ 1 Clip D 1 IrO-sIgnalDl □! |Myltimeler | 1 Counter | 1 Oscilloscope 1 1 Stimulation 1 1 devices | J ^^hang^^J ^eivice^^J BMW Test system Counter I' |l‘".tL nlTltni.. □! |t"a‘,'‘"*D I 1 MFC 1 i □ 1 [MFC 2 ■ U aJ m F^Jl □! i | Counter I | Oscilloscope I I Stimulation I I Preset I I_I I setting | j deviees | jmeasurmentsl J ^^hang^^J BMW Measuring system Oscilloscope display A IV] N y 8 6 4 2 0 -2 -4 -6 -8 w H! m e n I I Counter I | Oscilloscope I | Stimulation I | Preset I 1_I I sef.iiHj [ I devices | | measurments| T-BSgSSt! SUPPLEMENTAL ETM SCHEMATIC WORKSHEET: Using your gained understanding of the signal and with the help of your instruotor, supple¬ ment your ETM referenoe by sketohing the oirouit. Add the internal symbols (pin numbers, signal power supply, ground, final stage looations and signal monitor). MEASUREMENT SYSTEM WORKSHEET: While connecting and setting up the DIS/MoDiC measurement system for signal/circuit val¬ idation, note the settings in the appropriate looations for future referenoe. Dooument your findings by entering the displayed values in the Multimeter or Counter Display. If the signal requires the use of the osoillosoope, note your set up seleotions and sketoh the waveform. ^hang^^J BMW Test system Multimeter I [capacitance I [inductance I iTemperature I h bill" a|ll° " I J ^ensoi^^^J 1"^ □ m I I Counter I | Oscilloscope I | Stimulation I | Preset I I_I I setting | | devices | JmeasurmentsI ^hang^^J BMW Test system Oscilloscope setting id _I I MFK 2 _I I KV-Senaor I | UFK □III nil -^-dI ^ Test connectioi I— □! Kvy □! EDH EDS 1 111-"' al ^ dI jChannalA 1 1 □! 1 Channel B 1 □1 1 Trigger _ 1 Clip D 1 IrO-sIgnalDl □! |Myltimeler | 1 Counter | 1 Oscilloscope 1 1 Stimulation 1 1 devices | J ^^hang^^J ^eivice^^J BMW Test system Counter I' |l‘".tL nlTltni.. □! |t"a‘,'‘"*D I 1 MFC 1 i □ 1 [MFC 2 ■ U aJ m F^Jl □! i | Counter I | Oscilloscope I I Stimulation I I Preset I I_I I setting | j deviees | jmeasurmentsl J ^^hang^^J BMW Measuring system Oscilloscope display A IV] N y 8 6 4 2 0 -2 -4 -6 -8 w H! m e n I I Counter I | Oscilloscope I | Stimulation I | Preset I 1_I I sef.iiHj [ I devices | | measurments| T-BSgSSt! SUPPLEMENTAL ETM SCHEMATIC WORKSHEET: Using your gained understanding of the signal and with the help of your instruotor, supple¬ ment your ETM referenoe by sketohing the oirouit. Add the internal symbols (pin numbers, signal power supply, ground, final stage looations and signal monitor). MEASUREMENT SYSTEM WORKSHEET: While connecting and setting up the DIS/MoDiC measurement system for signal/circuit val¬ idation, note the settings in the appropriate looations for future referenoe. Dooument your findings by entering the displayed values in the Multimeter or Counter Display. If the signal requires the use of the osoillosoope, note your set up seleotions and sketoh the waveform. ^hang^^J BMW Test system Multimeter I [capacitance I [inductance I iTemperature I h bill" a|ll° " I J ^ensoi^^^J 1"^ □ m I I Counter I | Oscilloscope I | Stimulation I | Preset I I_I I setting | | devices | JmeasurmentsI ^hang^^J BMW Test system Oscilloscope setting id _I I MFK 2 _I I KV-Senaor I | UFK □III nil -^-dI ^ Test connectioi I— □! Kvy □! EDH EDS 1 111-"' al ^ dI jChannalA 1 1 □! 1 Channel B 1 □1 1 Trigger _ 1 Clip D 1 IrO-sIgnalDl □! |Myltimeler | 1 Counter | 1 Oscilloscope 1 1 Stimulation 1 1 devices | J ^^hang^^J ^eivice^^J BMW Test system Counter I' |l‘".tL nlTltni.. □! |t"a‘,'‘"*D I 1 MFC 1 i □ 1 [MFC 2 ■ U aJ m F^Jl □! i | Counter I | Oscilloscope I I Stimulation I I Preset I I_I I setting | j deviees | jmeasurmentsl J ^^hang^^J BMW Measuring system Oscilloscope display A IV] N y 8 6 4 2 0 -2 -4 -6 -8 w H! m e n I I Counter I | Oscilloscope I | Stimulation I | Preset I 1_I I sef.iiHj [ I devices | | measurments| T-BSgSSt! SUPPLEMENTAL ETM SCHEMATIC WORKSHEET: Using your gained understanding of the signal and with the help of your instruotor, supple¬ ment your ETM referenoe by sketohing the oirouit. Add the internal symbols (pin numbers, signal power supply, ground, final stage looations and signal monitor). MEASUREMENT SYSTEM WORKSHEET: While connecting and setting up the DIS/MoDiC measurement system for signal/circuit val¬ idation, note the settings in the appropriate looations for future referenoe. Dooument your findings by entering the displayed values in the Multimeter or Counter Display. If the signal requires the use of the osoillosoope, note your set up seleotions and sketoh the waveform. ^hang^^J BMW Test system Multimeter I [capacitance I [inductance I iTemperature I h bill" a|ll° " I J ^ensoi^^^J 1"^ □ m I I Counter I | Oscilloscope I | Stimulation I | Preset I I_I I setting | | devices | JmeasurmentsI ^hang^^J BMW Test system Oscilloscope setting id _I I MFK 2 _I I KV-Senaor I | UFK □III nil -^-dI ^ Test connectioi I— □! Kvy □! EDH EDS 1 111-"' al ^ dI jChannalA 1 1 □! 1 Channel B 1 □1 1 Trigger _ 1 Clip D 1 IrO-sIgnalDl □! |Myltimeler | 1 Counter | 1 Oscilloscope 1 1 Stimulation 1 1 devices | J ^^hang^^J ^eivice^^J BMW Test system Counter I' |l‘".tL nlTltni.. □! |t"a‘,'‘"*D I 1 MFC 1 i □ 1 [MFC 2 ■ U aJ m F^Jl □! i | Counter I | Oscilloscope I I Stimulation I I Preset I I_I I setting | j deviees | jmeasurmentsl J ^^hang^^J BMW Measuring system Oscilloscope display A IV] N y 8 6 4 2 0 -2 -4 -6 -8 w H! m e n I I Counter I | Oscilloscope I | Stimulation I | Preset I 1_I I sef.iiHj [ I devices | | measurments| T-BSgSSt! SUPPLEMENTAL ETM SCHEMATIC WORKSHEET: Using your gained understanding of the signal and with the help of your instruotor, supple¬ ment your ETM referenoe by sketohing the oirouit. Add the internal symbols (pin numbers, signal power supply, ground, final stage looations and signal monitor).